API
IMPURITY
CHEMICAL NAME
STRUCTURE
2
Rosuvastatin

N-desmethyl impurity

N-desmethyl impurity Rosuvastatin-N-desmethyl-impurity
Rosuvastatin

Rosuvastatin 5-Keto Impurity

(R)-7-(4-(4-fluorophenyl)-6-isopropyl-2-(N-methyl methyl sulfonamide)pyrimidin-5-yl)hydorxy-5-oxoheptanoic acid(Rosuvastatin 5-OXO) Rosuvastatin-Rosuvastatin-5-Keto-Impurity
Rosuvastatin

Rosuvastatin Methyl Ester

(3R,5S,E)-methyl7-(4-(4-fluorophenyl)-6-isopropyl-2-(N-methyl methyl sulfonamide)pyrimidin-5-yl)-3,5-dihydroxyhept-6-enoate(Rosuvastatin Methyl Ester) Rosuvastatin-Methyl-Ester
Rosuvastatin

Rosuvastatin Lactone

N-(4-(4-fluorophenyl)-5-((E)-2-((2S,4R)-4-hydroxy-6-oxo-tetrahydro-2H-pyran-2-yl)vinyl)-6-isoprppylpyrimidin-2-yl)-N-methyl metanesulfonamide(Rosuvastatin Lactone) Rosuvastatin-Lactone
ROSUVASTATIN IMPURITY D

ROSUVASTATIN IMPURITY D

N-[4-(4-Fluorophenyl)-6-(1-methylethyl)-5-[(1E)-2-[(2S,4R)-tetrahydro-4-hydroxy-6-oxo-2H-pyran-2-yl]ethenyl]-2-pyrimidinyl]-N-methylmethanesulfonamide ROSUVASTATIN
ROSUVASTATIN IMPURITY C

ROSUVASTATIN IMPURITY C

(3R,6E)-7-[4-(4-Fluorophenyl)-6-(1-methylethyl)-2-[methyl(methylsulfonyl) amino]-5-pyrimidinyl]-3-hydroxy-5-oxo-6-heptenoic acid calcium salt ROSUVASTATIN IMPURITY C
ROSUVASTATIN IMPURITY B

ROSUVASTATIN IMPURITY B

(3R,5R,6E)-7-[4-(4-Fluorophenyl)-6-(1-methylethyl)-2-[methyl (methyl sulfonyl) amino]-5-pyrimidinyl]-3,5-dihydroxy-6-heptenoic acid calcium salt ROSUVASTATIN IMPURITY B
ROSUVASTATIN IMPURITY A (RELATAD COMPOUND A)

ROSUVASTATIN IMPURITY A (RELATAD COMPOUND A)

(3R,5S,6E)-7-[4-(4-Fluorophenyl)-6-(1-methylethyl)-2-[methyl (2-hydroxy-2-methylpropylsulfonyl)amino]-5-pyrimidinyl]-3,5-dihydroxy- 6-heptenoic acid calcium salt ROSUVASTATIN IMPURITY A
ROSUVASTATIN (3R,5R)-ISOMER CALCIUM

ROSUVASTATIN (3R,5R)-ISOMER CALCIUM

(3S,5R,6E)-7-[4-(4-fluorophenyl)-6-(1-methylethyl)-2[methylmethylsulfonyl)amino]-5-pyrimidinyl]-3,5-dihydroxy-6-heptenoic acid Calcium salt. ROSUVASTATIN (3R,5R)-ISOMER CALCIUM
ROSUVASTATIN 6,7 DIHYDRO IMPURITY

ROSUVASTATIN 6,7 DIHYDRO IMPURITY

(3R,5S)-7-[4-(4-Fluorophenyl)-6-(1-methylethyl)-2-[methyl (methyl sulfonyl)amino]-5-pyrimidinyl]-3,5-dihydroxy-heptanoic acid calcium salt ROSUVASTATIN 6,7 DIHYDRO IMPURITY
ROSUVASTATIN IMPURITY D

ROSUVASTATIN IMPURITY D

N-[4-(4-Fluorophenyl)-6-(1-methylethyl)-5-[(1E)-2-[(2S,4R)-tetrahydro-4-hydroxy-6-oxo-2H-pyran-2-yl]ethenyl]-2-pyrimidinyl]-N-methylmethanesulfonamide ROSUVASTATIN IMPURITY D
ROSUVASTATIN IMPURITY C

ROSUVASTATIN IMPURITY C

(3R,6E)-7-[4-(4-Fluorophenyl)-6-(1-methylethyl)-2-[methyl(methylsulfonyl) amino]-5-pyrimidinyl]-3-hydroxy-5-oxo-6-heptenoic acid calcium salt ROSUVASTATIN IMPURITY C
ROSUVASTATIN IMPURITY B

ROSUVASTATIN IMPURITY B

(3R,5R,6E)-7-[4-(4-Fluorophenyl)-6-(1-methylethyl)-2-[methyl (methyl sulfonyl) amino]-5-pyrimidinyl]-3,5-dihydroxy-6-heptenoic acid calcium salt ROSUVASTATIN IMPURITY B
ROSUVASTATIN IMPURITY A (RELATAD COMPOUND A)

ROSUVASTATIN IMPURITY A (RELATAD COMPOUND A)

(3R,5S,6E)-7-[4-(4-Fluorophenyl)-6-(1-methylethyl)-2-[methyl (2-hydroxy-2-methylpropylsulfonyl)amino]-5-pyrimidinyl]-3,5-dihydroxy- 6-heptenoic acid calcium salt ROSUVASTATIN IMPURITY A
ROSUVASTATIN (3R,5R)-ISOMER CALCIUM

ROSUVASTATIN (3R,5R)-ISOMER CALCIUM

(3S,5R,6E)-7-[4-(4-fluorophenyl)-6-(1-methylethyl)-2[methylmethylsulfonyl)amino]-5-pyrimidinyl]-3,5-dihydroxy-6-heptenoic acid Calcium salt. ROSUVASTATIN (3R,5R)-ISOMER CALCIUM
ROSUVASTATIN ETHYL ESTER

ROSUVASTATIN ETHYL ESTER

(3R,5S,6E)-7-[4-(4-Fluorophenyl)-6-(1-methylethyl)-2-[methyl(methyl sulfonyl)amino]-5-pyrimidinyl]-3,5-dihydroxy-6-heptenoic acid ethyl ester rosuva